3BHQ | pdb_00003bhq

CRYSTAL STRUCTURE OF A PUTATIVE TETR-FAMILY TRANSCRIPTIONAL REGULATOR (MLR_4833) FROM MESORHIZOBIUM LOTI MAFF303099 AT 1.54 A RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	277	NANODROP, 1.0M LiCl, 10.0% PEG 6000, 0.1M Citrate pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.62	52.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.534	α = 90
b = 64.221	β = 90
c = 142.613	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 300 mm CCD	Adjustable focusing mirrors in K-B geometry	2007-10-26	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.91840, 0.97953	APS	23-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.54	29.841	99.9	0.089	0.089	3.8	5		74962			18.884

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.54	1.58	100		0.546	0.546	1.4	3.7	5496

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.54	29.841	74864	3774	99.86	0.174	0.173	0.18	0.194	0.2	RANDOM	20.285

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.85			0.41		0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.512
r_dihedral_angle_4_deg	12.722
r_dihedral_angle_3_deg	11.918
r_scangle_it	6.687
r_scbond_it	4.886
r_dihedral_angle_1_deg	3.307
r_mcangle_it	2.534
r_mcbond_it	2.179
r_angle_refined_deg	1.572
r_angle_other_deg	1.472
r_mcbond_other	0.437
r_nbd_refined	0.203
r_symmetry_vdw_other	0.169
r_nbtor_refined	0.167
r_nbd_other	0.143
r_symmetry_vdw_refined	0.135
r_xyhbond_nbd_refined	0.106
r_symmetry_hbond_refined	0.103
r_chiral_restr	0.102
r_nbtor_other	0.076
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_gen_planes_other	0.007
r_bond_other_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3130
Nucleic Acid Atoms
Solvent Atoms	435
Heterogen Atoms	59

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing